{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell line", "protein", "RNA", "cell type", "DNA"], "input": "These observations indicate that during chronic HIV infection of U937 cells , continuous NF-kappa B ( p50/p65 ) translocation results in p105 promoter upregulation with subsequent cytosolic NF-kappa B accumulation , ready for further translocation."}
{"cell line": ["U937 cells"], "protein": ["NF-kappa B", "p50/p65"], "RNA": [], "cell type": [], "DNA": ["p105 promoter"]}